The largest known open fault in the United States is basically a giant natural refrigerator.

A castle built for love, and abandoned due to heartbreak.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

The Hudson River School comes alive at this palatial estate.

This once-private estate is now a dreamy, meditative garden that's open to the public.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The famous author's cottage hideaway.

This replica of the Greek structure is in the heart of Nashville.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

Home to several unusual artifacts, including a huge painting of George Washington.

Rare recess caves fill this unbelievably beautiful Ohio park.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

Faces carved into the cliffs create an otherworldly walking trail.

Constructed from the ruins of a former glass factory, this park incorporates the old with the new.

An unassuming 13-acre park is home to over 12,000 roses.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A retro walk through the history of the tube.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.